chore: upgrade Kotlin to 1.4.30

build.gradle

@@ -10,8 +10,7 @@ buildscript {
 }
 
 plugins {
-  id 'org.jetbrains.kotlin.jvm' version '1.4.21'
-//  id 'org.jmailen.kotlinter' version '3.2.0'
+  id 'org.jetbrains.kotlin.jvm' version '1.4.30'
   id 'io.gitlab.arturbosch.detekt' version '1.14.1'
   id 'org.jetbrains.dokka' version '1.4.10' apply false
   id 'org.javamodularity.moduleplugin' version '1.7.0' apply false
@@ -60,7 +59,6 @@ subprojects {
     apply plugin: 'jacoco'
   }
   apply plugin: 'org.jetbrains.kotlin.jvm'
-//  apply plugin: 'org.jmailen.kotlinter'
   apply plugin: 'io.gitlab.arturbosch.detekt'
   if (System.env.CI != 'true') {
     apply plugin: 'org.jetbrains.dokka'
@@ -216,11 +214,6 @@ subprojects {
     check.dependsOn << 'jacocoTestReport'
   }
 
-//  kotlinter {
-//    indentSize = 2
-//    reporters = ['checkstyle', 'plain', 'json']
-//  }
-
   detekt {
     failFast = false
     config = files(rootProject.file("config/detekt-config.yml"))

gradle.properties

@@ -1,6 +1,6 @@
 groovyVersion=3.0.7
 groovy2Version=2.5.10
-kotlinVersion=1.4.21
+kotlinVersion=1.4.30
 httpBuilderVersion=1.0.4
 commonsLang3Version=3.4
 httpClientVersion=4.5.13